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Finding the Fourth Proportional to 129,039, 193,558.50 and 35,544.76

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Solution

The fourth proportional to 129,039, 193,558.50 and 35,544.76 is: 53,317.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,039 : 193,558.50 = 35,544.76 : x
  2. Step 2: Convert to fraction form
    129,039/193,558.50 = 35,544.76/x
  3. Step 3: Cross multiply
    129,039x = 193,558.50 × 35,544.76
  4. Step 4: Simplify right side
    129,039x = 6,879,990,428.46
  5. Step 5: Solve for x
    x = 6,879,990,428.46/129,039
  6. Step 6: Final answer
    x = 53,317.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.